CN220132249U - Wear-resistant granulating box pore plate - Google Patents
Wear-resistant granulating box pore plate Download PDFInfo
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- CN220132249U CN220132249U CN202321656698.3U CN202321656698U CN220132249U CN 220132249 U CN220132249 U CN 220132249U CN 202321656698 U CN202321656698 U CN 202321656698U CN 220132249 U CN220132249 U CN 220132249U
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- ceramic
- hole
- ceramic ring
- resistant
- shaped piece
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- 239000011148 porous material Substances 0.000 title abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 67
- 238000005299 abrasion Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 239000002893 slag Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an abrasion-resistant granulating box pore plate, which belongs to the field of metallurgy and comprises a body, a ceramic ring and a ceramic special-shaped piece; the body is provided with a plurality of round holes which are arranged in a lattice manner, and the bottom of the body is provided with a circular arc hole; the circular hole is embedded with a ceramic ring, the outer diameter of the ceramic ring is the same as the inner diameter of the circular hole, the circular arc-shaped hole is embedded with a ceramic special-shaped piece, and a channel is arranged in the ceramic special-shaped piece; the external shape of the middle outer section of the ceramic special-shaped piece is consistent with that of the circular arc-shaped hole. Compared with the prior art, the wear-resistant steel has the characteristics of wear resistance and long service life.
Description
Technical Field
The utility model relates to metallurgical equipment, in particular to an abrasion-resistant granulating box pore plate for slag-water separation equipment.
Background
A large amount of slag is produced in the blast furnace smelting production, the red and hot slag is processed into water slag through high-pressure water, the cracked water slag is required to be subjected to slag-water separation, the separated solid particles are used as building raw materials, and the slag-water is cooled through a cooling device by a hot water pump and recycled through a cold water pump by a pipeline. Therefore, in the metallurgical industry, a slag-water separation device is one of the important devices.
The main current water slag treatment modes comprise: the bottom filtration method, the Ming and te method and the INBA method. The bottom filtering method has the advantages of simple process, low equipment cost, small occupied area, small daily water slag treatment amount, poor adaptability to various special furnace conditions, complex water slag cleaning and transporting procedures (needing automobile outward transportation) and large influence on environment; the Ming and te method has small water slag occupation and compact equipment, but the filter is easy to block and abrade in the use process, slag surface and dirt are easy to adhere on the screen, and slag flushing water enters the water storage tank after being filtered, and the slag flushing water is still turbid and easy to precipitate, so that the effective volume in the water storage tank is reduced. In the existing INBA method blast furnace slag treatment, a granulating water source enters a granulating box, a nozzle plate in the granulating box sprays high-speed water flow, and molten slag is chilled and granulated.
Existing equipment pair
However, due to water quality, large particles are inevitably mixed in the water, and large impurities and scale are easy to cause blockage of a pore plate of a granulating box, so that the sprayed granulating water pressure and water quantity are reduced, water slag cannot be granulated normally, sludge in a granulating tower is caused, production is influenced, and environmental pollution is caused. The original design orifice plate has poor wear resistance, short service life, high phenomena of manpower, material resources and cost waste, low granulation rate after abrasion and influences normal production when serious. The abrasion to the orifice plate of the granulating box is particularly serious, and the phenomenon of reduced granulating rate of the fire slag occurs when new equipment is operated on line for about 15 days.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the wear-resistant granulating box pore plate, which improves the wear resistance and the flushing resistance of equipment, achieves the purpose of long service life of the equipment, reduces the cost and reduces the failure rate.
The technical scheme for solving the technical problems is as follows: an antiwear granulating box orifice plate, which is characterized in that: comprises a body, a ceramic ring and a ceramic special-shaped piece; the body is provided with a plurality of round holes which are arranged in a lattice manner, and the bottom of the body is provided with a circular arc hole; the circular hole is embedded with a ceramic ring, the outer diameter of the ceramic ring is the same as the inner diameter of the circular hole, the circular arc-shaped hole is embedded with a ceramic special-shaped piece, and a channel is arranged in the ceramic special-shaped piece; the external shape of the middle outer section of the ceramic special-shaped piece is consistent with that of the circular arc-shaped hole.
Further, the height of the ceramic ring is larger than the depth of the hole, and the inner end of the ceramic ring is higher than the inner surface of the body.
Further, the inner end of the ceramic ring is 2-5mm higher than the inner surface of the body.
Furthermore, the plane of the inner opening of the ceramic ring is vertical to the bottom surface.
Further, the inner end of the ceramic special-shaped piece is higher than the inner surface of the body.
Furthermore, the outer diameter of the inner end of the ceramic special-shaped piece is larger than that of the circular arc-shaped hole.
Furthermore, the inner wall of the round hole is provided with a spiral groove, the outer end of the spiral groove is not exposed on the outer surface of the body, and the outer wall of the ceramic ring is provided with corresponding threads which are in threaded connection.
Furthermore, the outer end of the ceramic ring is provided with two blind holes.
Further, the ceramic ring is provided with a shaft shoulder.
Further, a recess is formed in one side of the middle section of the circular arc-shaped hole.
Compared with the prior art, the utility model has the following outstanding beneficial effects:
1. the orifice plate of the utility model effectively avoids the blockage of the granulating orifice plate, obviously improves the abrasion loss, prolongs the obvious service life by more than 6 months, has the effect of using and maintaining equipment and meets the requirements of on-site production technology;
2. the labor intensity of personnel and the cost of manual tools are reduced;
3. low manufacturing cost and convenient popularization.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic view of a ceramic ring of the present utility model.
Fig. 3 is a schematic structural view of the ceramic shaped piece of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and the detailed description. Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the following embodiments, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
For better description, the front is directed toward the water slag inlet, and the back is directed toward the water slag inlet. It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," "end," "side," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing and simplifying the description of the embodiments of the present utility model, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present utility model.
As shown in fig. 1-3, the present utility model is a wear resistant granulating box orifice plate. Comprises a body 1, a ceramic ring and a ceramic special-shaped piece.
The body 1 is provided with a plurality of round holes 2 arranged in a lattice manner, and the bottom of the body is provided with a circular arc hole 3. In this embodiment, the body 1 is in a spade shape with a big top and a small bottom, and the edge is arc-shaped. The blast furnace slag is flushed into a water and slag mixture by using a granulating box, and the granulating water is flushed out through the round holes 2 and the circular arc holes 3 on the body 1 to chill and granulate the slag.
The circular hole 2 is embedded with a ceramic ring, the outer diameter of the ceramic ring is the same as the inner diameter of the circular hole 2, the height of the ceramic ring is larger than the depth of the hole, the ceramic ring is embedded in the circular hole 2, and the inner end of the ceramic ring is higher than the inner surface of the body 1. In the optimized scheme, the inner surface of the body 1 is 2-5mm higher. The plane of the inner opening of the ceramic ring is vertical to the bottom surface.
The circular arc-shaped hole 3 is embedded with a ceramic special-shaped piece, and a channel is arranged in the ceramic special-shaped piece. The external shape of the middle outer section of the ceramic special-shaped piece is consistent with that of the circular arc-shaped hole 3. The ceramic special-shaped piece is embedded in the circular arc-shaped hole 3, and the inner end of the ceramic special-shaped piece is higher than the inner surface of the body 1. In the optimization scheme, the outer diameter of the inner end of the ceramic special-shaped piece is larger than that of the circular arc-shaped hole 3.
The ceramic ring and the ceramic special-shaped piece can play a role in resisting scouring, prolonging the service life of the pore plate, and can be independently replaced to reduce the cost if the ceramic ring and the ceramic special-shaped piece are blocked.
In order to facilitate installation, replacement and positioning, the inner wall of the round hole 2 is provided with a spiral groove, the outer end of the spiral groove is not exposed on the outer surface of the body 1, the outer wall of the ceramic ring is provided with corresponding threads, and the ceramic ring is screwed into the round hole 2 and is in threaded connection with the round hole 2 when in use. The outer end of the ceramic ring is provided with two blind holes, when the ceramic ring needs to be replaced, two steel bars are inserted, and the ceramic ring can be rotationally removed through pliers. In the optimization scheme, in order to prevent slag from entering between the ceramic ring and the round hole 2, the ceramic ring is provided with a shaft shoulder for shielding a gap between the ceramic ring and the round hole 2.
In this embodiment, the circular arc hole 3 mainly play the effect of carrying the grain slag, the middle section side of circular arc hole 3 have the recess, be convenient for great dregs discharge prevents to appear blocking.
It should be noted that, in this embodiment, a technique known in the art is not described in detail.
The foregoing is merely for the purpose of describing particular embodiments of the utility model in detail and it will be apparent to those skilled in the art that various modifications can be made therein without departing from the spirit and scope of the utility model.
Claims (10)
1. An antiwear granulating box orifice plate, which is characterized in that: comprises a body, a ceramic ring and a ceramic special-shaped piece; the body is provided with a plurality of round holes which are arranged in a lattice manner, and the bottom of the body is provided with a circular arc hole; the circular hole is embedded with a ceramic ring, the outer diameter of the ceramic ring is the same as the inner diameter of the circular hole, the circular arc-shaped hole is embedded with a ceramic special-shaped piece, and a channel is arranged in the ceramic special-shaped piece; the external shape of the middle outer section of the ceramic special-shaped piece is consistent with that of the circular arc-shaped hole.
2. The abrasion-resistant granulating box aperture plate of claim 1, wherein: the height of the ceramic ring is larger than the depth of the hole, and the inner end of the ceramic ring is higher than the inner surface of the body.
3. The abrasion-resistant granulating box aperture plate of claim 2, wherein: the inner end of the ceramic ring is 2-5mm higher than the inner surface of the body.
4. A wear resistant granulating box orifice as claimed in claim 3, wherein: the plane of the inner opening of the ceramic ring is vertical to the bottom surface.
5. The abrasion-resistant granulating box aperture plate of claim 1, wherein: the inner end of the ceramic special-shaped piece is higher than the inner surface of the body.
6. The abrasion-resistant granulating box aperture plate of claim 5, wherein: the outer diameter of the inner end of the ceramic special-shaped piece is larger than that of the circular arc-shaped hole.
7. The abrasion-resistant granulating box aperture plate of claim 1, wherein: the inner wall of the round hole is provided with a spiral groove, the outer end of the spiral groove is not exposed on the outer surface of the body, and the outer wall of the ceramic ring is provided with corresponding threads which are in threaded connection.
8. The wear resistant granulating box orifice plate of claim 7 wherein: the outer end of the ceramic ring is provided with two blind holes.
9. The wear resistant granulating box orifice plate of claim 7 wherein: the ceramic ring is provided with a shaft shoulder.
10. The abrasion-resistant granulating box aperture plate of claim 1, wherein: and a concave is arranged at one side of the middle section of the circular arc-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321656698.3U CN220132249U (en) | 2023-06-28 | 2023-06-28 | Wear-resistant granulating box pore plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321656698.3U CN220132249U (en) | 2023-06-28 | 2023-06-28 | Wear-resistant granulating box pore plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220132249U true CN220132249U (en) | 2023-12-05 |
Family
ID=88962990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321656698.3U Active CN220132249U (en) | 2023-06-28 | 2023-06-28 | Wear-resistant granulating box pore plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220132249U (en) |
-
2023
- 2023-06-28 CN CN202321656698.3U patent/CN220132249U/en active Active
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